Suisun City Municipal Code Ch. 13.08 Discharges into Public Sewers

Except as provided in this chapter, no person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewer:

A. Any liquid or vapor having a temperature higher than one hundred fifty degrees Fahrenheit;

B. Any water or waste which may contain more than one hundred parts per million, by weight, of fat, oil or grease;

C. Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas;

D. Any garbage that has not been properly shredded. "Properly shredded garbage" means the wastes from the preparation, cooking and dispensing of food that has been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension;

E. Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works;

F. Any water or waste having a pH lower than 5.5 or higher than 9.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment or personnel of the sewage works;

G. Any waters or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constituting a hazard to humans or animals, or creating any hazard in the receiving waters of the sewage treatment plant;

H. Any waters or wastes containing suspended solids or dissolved matter of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant;

I. Any noxious or malodorous gas or substance capable of creating a public nuisance;

J. Any septic tank sludge.

(Ord. 282 § 1, 1957)

Grease, oil and sand interceptors shall be provided when, in the opinion of the inspector appointed by the city or by the Fairfield-Suisun Sewer District government board, that are necessary for the proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand or other harmful ingredients; except that such interceptors shall not be required for buildings used for residential purposes. All interceptors shall be of a type and capacity approved by the inspector and shall be located so as to be readily and easily accessible for cleaning and inspection.

(Ord. 282 § 2, 1957)

All grease, oil and sand interceptors shall be maintained by the owner, at his expense, in continuously efficient operation at all times.

(Ord. 282 § 3, 1957)

A. The admission into the public sewers of any water or wastes having:

1. A five-day biochemical oxygen demand greater than three hundred parts per million by weight; or

2. More than three hundred fifty parts per million by weight of suspended solids; or

3. Any quantity of substances having the characteristics described in Section 13.08.010;

4. An average daily flow greater than two percent of the average daily sewage flow of the district;

shall be subject to the review and approval of the inspector appointed for the purpose.

B. Where necessary in the opinion of the inspector, such preliminary treatment as may be necessary to:

1. Reduce the biochemical oxygen demand to three hundred parts per million by weight; or

2. Reduce objectionable characteristics or constituents to within the maximum limits provided for in Section 13.08.010; or

3. Control the quantities and rates of discharge of such waters or wastes;

shall be required.

C. Plans, specifications and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted for the approval of the inspector and of the Water Pollution Control Commission of the state and no construction of such facilities shall be commenced until those approvals are obtained in writing.

(Ord. 282 § 4, 1957)

Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense.

(Ord. 282 § 5, 1957)

When required by the city or by the Fairfield-Suisun District the owner of any property served by a side sewer carrying industrial wastes shall install a suitable control manhole into the side sewer to facilitate observation, sampling and measurement of wastes. Such manhole, when required, shall be accessible and safely located, and shall be constructed in accordance with plans approved by the engineer of the sewer district. The manhole shall be installed by the owner at his expense, and shall be maintained by him so as to be safe and accessible at all times.

(Ord. 282 § 6, 1957)

All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in Sections 13.08.010 and 13.08.040 shall be determined in accordance with standard methods and shall be determined at the control manhole provided for in Section 13.08.060, or upon suitable samples taken at the control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the side sewer is connected.

(Ord. 282 § 7, 1957)

No statement contained in this chapter shall be construed as preventing any special agreement or arrangement between the district and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the district for treatment, subject to payment therefor by the industrial concern and subject to such terms and conditions as might be required by the district.

(Ord. 282 § 8, 1957)

It is unlawful for any person to discharge the contents of a swimming pool into a sanitary sewer, without first giving notice to and receiving permission from the Fairfield-Suisun Sewer District inspector.

(Ord. 282 § 9, 1957)

The sewer inspector of the Fairfield-Suisun Sewer District shall be ex officio sewer inspector of the city, and the city council shall by resolution appoint the incumbent district sewer inspector such city sewer inspector as often as an incumbent assumes such office. Pending the appointment of such a district inspector, and during any vacancy in his office, the superintendent of streets shall be ex officio sewer inspector of the city.

(Ord. 282 § 10, 1957)